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| 4358 | Serge | 1 | /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| 2 | |||
| 3 | /* |
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| 4 | * Copyright (C) 2013 Rob Clark |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the "Software"), |
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| 8 | * to deal in the Software without restriction, including without limitation |
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| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 11 | * Software is furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice (including the next |
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| 14 | * paragraph) shall be included in all copies or substantial portions of the |
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| 15 | * Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| 23 | * SOFTWARE. |
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| 24 | * |
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| 25 | * Authors: |
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| 26 | * Rob Clark |
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| 27 | */ |
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| 28 | |||
| 29 | #ifndef FD3_PROGRAM_H_ |
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| 30 | #define FD3_PROGRAM_H_ |
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| 31 | |||
| 32 | #include "pipe/p_context.h" |
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| 33 | |||
| 34 | #include "freedreno_context.h" |
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| 35 | |||
| 36 | #include "ir-a3xx.h" |
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| 37 | #include "disasm.h" |
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| 38 | |||
| 39 | struct fd3_shader_stateobj { |
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| 40 | enum shader_t type; |
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| 41 | |||
| 42 | struct fd_bo *bo; |
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| 43 | |||
| 44 | struct ir3_shader_info info; |
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| 45 | struct ir3_shader *ir; |
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| 46 | |||
| 47 | /* is shader using (or more precisely, is color_regid) half- |
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| 48 | * precision register? |
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| 49 | */ |
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| 50 | bool half_precision; |
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| 51 | |||
| 52 | /* special output register locations: */ |
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| 53 | uint8_t pos_regid, psize_regid, color_regid; |
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| 54 | |||
| 55 | /* the instructions length is in units of instruction groups |
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| 56 | * (4 instructions, 8 dwords): |
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| 57 | */ |
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| 58 | unsigned instrlen; |
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| 59 | |||
| 60 | /* the constants length is in units of vec4's, and is the sum of |
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| 61 | * the uniforms and the built-in compiler constants |
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| 62 | */ |
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| 63 | unsigned constlen; |
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| 64 | |||
| 65 | /* About Linkage: |
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| 66 | * + Let the frag shader determine the position/compmask for the |
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| 67 | * varyings, since it is the place where we know if the varying |
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| 68 | * is actually used, and if so, which components are used. So |
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| 69 | * what the hw calls "outloc" is taken from the "inloc" of the |
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| 70 | * frag shader. |
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| 71 | * + From the vert shader, we only need the output regid |
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| 72 | */ |
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| 73 | |||
| 74 | /* varyings/outputs: */ |
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| 75 | unsigned outputs_count; |
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| 76 | struct { |
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| 77 | uint8_t regid; |
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| 78 | } outputs[16]; |
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| 79 | |||
| 80 | /* vertices/inputs: */ |
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| 81 | unsigned inputs_count; |
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| 82 | struct { |
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| 83 | uint8_t regid; |
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| 84 | uint8_t compmask; |
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| 85 | /* in theory inloc of fs should match outloc of vs: */ |
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| 86 | uint8_t inloc; |
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| 87 | } inputs[16]; |
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| 88 | |||
| 89 | unsigned total_in; /* sum of inputs (scalar) */ |
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| 90 | |||
| 91 | /* samplers: */ |
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| 92 | unsigned samplers_count; |
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| 93 | |||
| 94 | /* const reg # of first immediate, ie. 1 == c1 |
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| 95 | * (not regid, because TGSI thinks in terms of vec4 registers, |
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| 96 | * not scalar registers) |
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| 97 | */ |
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| 98 | unsigned first_immediate; |
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| 99 | unsigned immediates_count; |
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| 100 | struct { |
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| 101 | uint32_t val[4]; |
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| 102 | } immediates[64]; |
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| 103 | |||
| 104 | /* so far, only used for blit_prog shader.. values for |
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| 105 | * VPC_VARYING_INTERP[i].MODE and VPC_VARYING_PS_REPL[i].MODE |
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| 106 | */ |
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| 107 | uint32_t vinterp[4], vpsrepl[4]; |
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| 108 | }; |
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| 109 | |||
| 110 | void fd3_program_emit(struct fd_ringbuffer *ring, |
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| 111 | struct fd_program_stateobj *prog); |
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| 112 | |||
| 113 | void fd3_prog_init(struct pipe_context *pctx); |
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| 114 | void fd3_prog_fini(struct pipe_context *pctx); |
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| 115 | |||
| 116 | #endif /* FD3_PROGRAM_H_ */ |